A few ideas
My 67 is still under construction but uses the following.
Owner narrowed axle 55 inches flange-to-flange
19x12 wheels with 6 -inch backspace.
Tires are Pilot Super Sport 325/30ZR19
Some things to think about
- If you can mock-up actual wheels and tires it is helpful but not mandatory. It just takes a little more planning without a mock-up.
- Don't forget the thickness of your brake hat/drum when planning. Mine are Baer around .3 inches thick and others vary.
- If you cut a little deep to make more room don't forget that as you push the tub in deeper (make it wider) it will pull the ends inward a little so plan to cut carefully to avoid a gap at the rear (don't ask me how I know this!)
- Fit changes depending whether the wheel lips are rolled or not
- Different tires have slightly wider/narrow profiles
- Don't get paralyzed by all the decisions and overthink it too much.
- If you are a risk taker go wide and plan that you may have to roll the openings and delete the chrome strips, and/or use wheel spacers to optimize clearance.
- It is easier to add a thin spacer than re-narrow the rear end housing !
- If you are conservative trust DSE guidance as mentioned and things will work just fine without much hoopla !
- Consider how long your build will take. If you buy fresh tires and wheels for your mock-up it is a big expense and they may be sitting in storage for a while !
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